| Field | Key | Data Element | Type | Offset | Leng | Decimals | Check Table | Text |
|---|---|---|---|---|---|---|---|---|
| EXTENSION_ID | X | SMT_EXTENSION | CHAR | 0 | 32 | 0 | TSMT_EXTENSION | Mapping Extension ID (GUID) |
| COUNTER | X | SMT_COUNT | NUMC | 32 | 5 | 0 | Counter | |
| FROM_STRUCTURE | SMT_STRUCTURE | CHAR | 37 | 30 | 0 | Structure | ||
| FROM_FIELD | SMT_SOURCE_FIELD | CHAR | 67 | 255 | 0 | Field of Source Structure | ||
| FIXED_VALUE | SMT_FIXED_VALUE | CHAR | 322 | 255 | 0 | Generic Fixed Value | ||
| CHECK_CLASS | SMT_CHECK_CLASS | CHAR | 577 | 30 | 0 | Class for Field Checks | ||
| IS_INITIAL | SMT_INITIAL | CHAR | 607 | 1 | 0 | Initial | ||
| GUID | SYSUUID_X | RAW | 608 | 16 | 0 | UUID in X form (binary) |